Mangum headlines four-man race at QB

Tanner Mangum knows now not to predict anything. The BYU quarterback’s college career has taught him that.
In 2015 as a freshman, he threw a game-winning Hail Mary during his first college game — in a contest he didn’t even start. The next year, he was the backup as Taysom Hill returned from injury. And last year, he injured his Achilles, ending his season early.

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